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Q. What is compound?
A compound is a substance which consists of two or more elements chemically combined. The elements in a compound aren't simply mingled together as they are in a mixture. In its place they are combined in a way such that the compound has properties that are different from those of the elements of which it is composed. Every compound is represented by a formula a combination of the symbols of the elements that make up the compounds. You may already recognize some chemical formulas such as H2O for water, NaCl for table salt and NH3 for ammonia.
ramesh wants to coat the below silver articles with gold suggest the suitable coating process for ramesh to choose for coating the articles and justify the reason for the chosen me
The four quantum numbers of the outermost orbital of K (atomic no. =19) are: (1) n= 2, l= 0, m=0, s= +1/2 (2) n= 4, l= 0, m=0, s= +1/2 (3) n= 3, l= 1,
Preparation and uses of western
Q. Illustrate phase diagram? Ans. There are two things which influence phase change: 1. The pressure exerted on the surface of a substance. 2. The addition or rele
Effect of Substituents on Acidity: The complete effect of a substituent on acidity of substituted benzoic acids is because of two factors. (i) Inductive effect: If the subs
USE THE KINETIC PARTICLE THEORY TO EXPLAIN THE EXISTENCE OF THE DIFFERENT STATES OF MATTER
Physical Properties of Benzoic Acid (a) Benzoic Acid is a white crystalline solid. (b) Benzoic Acid has m.p. 394 K. (c) Benzoic Acid is sparingly soluble in cold water bu
Classification of proteins - Conjugated proteins The molecules of conjugated proteins are made up of simple proteins and non protein material. The non-protein material is known
There are two type of vitamines 1.water soluble 2.fat soluble water soluble vitamines are B complex and C vitamines vitamine c is soluble in water so dissolve in water and ca
Q. Evolution of the Modern Atomic Model? Ans: The atomic models of Dalton, Thomson, Rutherford, and Bohr eventually evolved into the current-day Quantum Mechanical model of the
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